Home / 118,746.61-163,869.11-64,298.51

Finding the Fourth Proportional to 118,746.61, 163,869.11 and 64,298.51

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Solution

The fourth proportional to 118,746.61, 163,869.11 and 64,298.51 is: 88,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.61 : 163,869.11 = 64,298.51 : x
  2. Step 2: Convert to fraction form
    118,746.61/163,869.11 = 64,298.51/x
  3. Step 3: Cross multiply
    118,746.61x = 163,869.11 × 64,298.51
  4. Step 4: Simplify right side
    118,746.61x = 10,536,539,322.82
  5. Step 5: Solve for x
    x = 10,536,539,322.82/118,746.61
  6. Step 6: Final answer
    x = 88,731.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.